The heart region electrically connecting the atria and ventricles; it slows the conduction of the depolarization wave so that a short period of time is interposed between atrial and ventricular contractions.
The AV Node is specialized conducting tissue that acts as an electrical road or gate connecting the atria to the ventricles. Normally the AV Node is the only electrical connection between these heart chambers. See Overview.
A group of cells located between the atria (upper two chambers) and the ventricles (lower two chambers) that regulates the electrical current (heart rhythm) that passes through it to the ventricles.
A center of special cells located near the center of the heart that helps to regulate the heart rhythm. Here, the electrical current slows for a moment before going onto the ventricles.
A specialized group of muscle cells located near the center of the heart, between the atria and ventricles. Action potentials spread from the atria to the ventricles through the cells of the AV node, which have a slow conduction speed. Contraction of the ventricles is therefore delayed with respect to the contraction of the atria.
A group of cells located in the middle of the heart. When electrical signals leave the sinoatrial (SA) node, they travel through the AV node before moving on to the rest of the heart. The AV node helps keep the heart beating in a normal rhythm.
Group of pacemaker cells in right atrium attached to bundle of His; important for maintaining and coordinating normal sequence of atrial-ventricular contraction.
a node of specialized heart muscle located in the septal wall of the right atrium; receives impulses from the sinoatrial node and transmits them to atrioventricular bundle
Conducting tissue at the bottom of the right atrium in which electrical impulses must pass to reach the ventricles.
A-tree-o-ven-TRIK-yu-lar NODE (AV node) Specialized muscle cells that branch into a network of Purkinje fibers, which conduct electrical stimulation six times faster than other parts of the heart. 722
A small mass of specialized conducting tissue at the bottom of the right atrium through which the electrical impulse stimulating the heart to contract must pass to reach the ventricles.
A group of highly conductive cardiac muscle cells found in the right atrium which convey depolarization signals from the sinoatrial node to the rest of the heart.
A junction that conducts electrical impulses from the atria to the ventricles of the heart.
a cluster of cells between the atria and ventricles that regulate the electrical current.
Tissue in the right ventricle of the heart that receives the impulse from the atria and transmits it through the ventricles by way of the bundles of His and the Purkinje fibers.
An area of specialised cardiac muscle that receives the cardiac impulse from the sinoatrial node and conducts it to the atrioventricular bundle, Purkinje fibres and walls of the ventricles. Located in the septal wall between the left and right atria.
A cluster of cells located in the wall between the right and left atria, just above the ventricles. This part of the heart's electrical pathway helps carry signals from the atria to the ventricles.
a cluster of cells that regulate the electrical current between the atria and ventricles to control the beating pattern in the heart.
The small bundle of specialised conductive cells which transmits electrical impulses from the atria to the ventricles.
Also called the atrioventricular node. A group of located in the middle of the heart. Electrical signals from the sinoatrial (SA) node travel through the AV node before moving to the rest of the heart. The AV node helps keep the upper and lower heart chambers beating in synchrony. When the AV node is blocked, it can result in a slow heartbeat called heart block. An artificial pacemaker can take over an impaired AV node to restore a more normal heart rate.
Specialized cardiocytes that relay the contractile stimulus to the bundle of His, the bundle branches, the Purkinje fibers, and the ventricular myocardium; located at the boundary between the atria and ventricles.
A group of cells located between the atria and ventricles through which the electrical impulse stimulating the heart to contract must pass to reach the ventricles.
Special conduction tissue that relays electrical impulses from the atria to ventricles
Specialized heart conducting tissue that receives impulses from the sinoatrial node and propagates them to the ventricles. It is located between the atria and the ventricles in the lower-middle of the right atrium. It serves as an electrical relay station by briefly slowing the electrical impulses traveling from the atria to the ventricles to allow time for the atria to contract and fill the ventricles before the ventricles contract.
Also called AV node: cluster of cells between the atria and ventricles that slows the electrical current of the heart as it passes through to the ventricles.
The atrioventricular node (abbreviated AV node) is an area of specialized tissue between the atria and the ventricles of the heart, which conducts the normal electrical impulse from the atria to the ventricles. The AV node is also known as the Aschoff-Tawara node.